Method for producing a pipe connection by means of press fitting, and pressing tool

Active Publication Date: 2015-01-15
NOVOPRESS GMBH PRESSEN & PRESSWERKZEUGE & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a pressing tool for joining pipes that can create stronger connections with larger flow cross sections. The tool has two indentations or strength levels that improve the burst pressure of the connection. Additionally, the tool has two spacers that are arranged in a specific way to simplify the installation and positioning of a pressing sling. The spacers are connected to the tool with elastic elements to prevent damage to the pipe connection. Overall, the tool creates more robust and reliable connections for pipes.

Problems solved by technology

However, this is disadvantageous in that the inner diameter of the pipes and thus the flow cross section is significantly reduced in the area of the pressed connection.

Method used

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  • Method for producing a pipe connection by means of press fitting, and pressing tool
  • Method for producing a pipe connection by means of press fitting, and pressing tool
  • Method for producing a pipe connection by means of press fitting, and pressing tool

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Embodiment Construction

with reference to preferred embodiments.

BRIEF DESCRIPTION OF THE DRAWINGS

[0020]FIG. 1 is a schematic sectional view of a press fitting connection, not compressed on one side and after a first compression operation on the other side,

[0021]FIG. 2 is a schematic sectional view of a press fitting connection, not compressed on one side and after a first and a second compression operation on the other side,

[0022]FIG. 3 is a schematical top plan view of a pressing sling of the present disclosure,

[0023]FIG. 4 is a schematical side elevational view of the pressing sling illustrated in FIG. 3, and

[0024]FIG. 5 is a schematical side elevational view of a driving means for connection with the pressing tool.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

[0025]In a first method step, an initially not deformed press fitting 12 is set onto both pipe ends 10. Thereafter, a first compression operation is performed in which, on the one hand, the bulge 14 is deformed and, on the other hand, the first i...

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Abstract

In a method for producing a pipe connection by press fitting, the following steps are carried out to increase the burst pressure:placing a press fitting onto two pipe ends to be connected to one another;compressing the press fitting against one of the two pipe ends by plastically deforming the press fitting and the pipe end to form a bulge and a first indentation;once again compressing the press fitting against the same pipe end at a distance (a) from the first compression point by plastically deforming the press fitting and the pipe end, thereby forming a second indentation; andconnecting the press fitting to the second pipe end.

Description

BACKGROUND[0001]1. Field of the Disclosure[0002]The disclosure relates to a method for producing a pipe connection by press fitting and to a pressing tool which is suited, in particular, for carrying out the method.[0003]2. Discussion of the Background Art[0004]In particular for the production of pipe connections it is known to use sleeve-shaped press fittings. These are set on the two pipe ends to be connected and are plastically deformed by means of a pressing tool. In this context, the press fittings are typically made of metal. The inner diameter of the press fitting is chosen slightly larger than the outer diameter of the pipe ends to be connected so that, due to the radial compression, the inner side of the press fitting is pressed against the outer side of the pipe ends and a firm, in particular tight connection is made due to the remaining plastic deformation. The pressing elements, such as the pressing jaws of the pressing tool, have a contour such that, upon compression, a...

Claims

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Application Information

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IPC IPC(8): F16L13/14
CPCY10T29/5367F16L13/141F16L2013/145Y10T29/49927B21D39/048F16L13/142B21D39/04B25B27/10
Inventor PFEIFFER, HEINRICH
Owner NOVOPRESS GMBH PRESSEN & PRESSWERKZEUGE & CO KG
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